| 年度 | 实际值 |
|---|---|
| 1999 | 1593716 |
| 2000 | 1834188 |
| 2001 | 2170547 |
| 2002 | 2430466 |
| 2003 | 2892935 |
| 2004 | 3667698 |
| 2005 | 5189325 |
| 2006 | 6656205 |
| 2007 | 8228603 |
| 2008 | 10125875 |
| 2009 | 10215607 |
| 2010 | 12236008 |
| 2011 | 13894116 |
| 2012 | 13021741 |
| 2013 | 13565089 |
| 2014 | 14534421 |
| 2015 | 15129375 |
| 2016 | 16057700 |
| 2017 | 17296541 |